BAFTA split its Best Screenplay category into original and adapted in 1983 and since then, Shawn Slovo (“A World Apart” ), Nora Ephron (“When Harry Met Sally…” ) and Diablo Cody (“Juno” ) are the only female writers who’ve won Best Original Screenplay. No women won BAFTA’s single screenplay category when it existed from 1968 through ’82.
See Oscars 2018: Will Greta Gerwig, Emily V. Gordon or Vanessa Taylor be the first woman in 10 years to win Best Original Screenplay?
Of those three winners, only Cody went on to win the corresponding Oscar, which is also the last time a woman has won either writing category at the Oscars. Slovo was not